Geodesic
Problems of Qualitative Analysis in the Spatial Dynamics of Rigid Bodies Interacting with Media
Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Geometry and Mechanics, Tome 150 (2018), pp. 130-142

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In this paper, we examine the problem on the spatial free deceleration of a rigid body in a resistive medium under the assumption that the interaction of the homogeneous axisymmetric body with the medium is concentrated on the frontal part of the surface, which has the shape of a flat circular disk. In earlier works of the author, under the simplest assumptions on interaction forces, the impossibility of oscillations with bounded amplitude was proved. Note that exact analytic description of forces and moments of the body-medium interaction is unknown, so we use the method of “embedding” of the problem into a wider class of problems; this allows one to obtain a sufficiently complete qualitative description of the motion of the body. For dynamical systems considered, we obtain particular solutions and families of phase portraits of quasi-velocities in the three-dimensional space that consist of countable sets of nonequivalent portraits with different nonlinear qualitative properties.
Keywords: rigid body, resistive medium, qualitative analysis, numerical analysis. 
@article{INTO_2018_150_a7,
     author = {M. V. Shamolin},
     title = {Problems of {Qualitative} {Analysis} in the {Spatial} {Dynamics} of {Rigid} {Bodies} {Interacting} with {Media}},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {130--142},
     publisher = {mathdoc},
     volume = {150},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2018_150_a7/}
}
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M. V. Shamolin. Problems of Qualitative Analysis in the Spatial Dynamics of Rigid Bodies Interacting with Media. Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Geometry and Mechanics, Tome 150 (2018), pp. 130-142. http://geodesic.mathdoc.fr/item/INTO_2018_150_a7/